Article

Why we want proof

What are mathematical proofs, why do we need them and what can they say about sheep?

News story

Find the gap

There's been progress on one of the biggest open problems in maths: the twin prime conjecture.
Article

Sexual statistics

David Spiegelhalter's new book Sex by numbers takes a statistical peek into the nation's bedrooms. In this interview he tells us some of his favourite stories from the book. Read the article or watch the video!
Article

Information: Baby steps

If I tell you that it's Monday today, then you know it's not any of the other six days of the week. Perhaps the information content of my statement should be measured in terms of the number of all the other possibilities it excludes? Back in the 1920s this consideration led to a very simple formula to measure information.